[M] Change in coreboot[master]: mb/google/dedede: Support variant specific power limits

[ChiaLing (Code Review)]

Attention is currently required from: Paul Menzel, Reka Norman, Ryan Lin, Subrata Banik, Sumeet R Pawnikar, Zhuohao Lee.

Hello Reka Norman, Ryan Lin, Subrata Banik, Zhuohao Lee, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/75680?usp=email

to look at the new patch set (#6).

Change subject: mb/google/dedede: Support variant specific power limits
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mb/google/dedede: Support variant specific power limits

With newer dedede design, it's required to config corresponding
psyspmax, psyspl1, psyspl2, pl1 and pl2 by different kinds of
adapter.

BUG=b:281479111
TEST=emerge-dedede coreboot and check correct value on dibbi

Signed-off-by: Chia-Ling Hou 
Change-Id: I583c930379233322c41027805369f81d02000ee7
---
M src/mainboard/google/dedede/variants/baseboard/Makefile.inc
M src/mainboard/google/dedede/variants/baseboard/include/baseboard/variants.h
A src/mainboard/google/dedede/variants/baseboard/ramstage.c
3 files changed, 146 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/80/75680/6